Propanoyl chloride,2-(acetyloxy)-, (2S)- (CAS No.36394-75-9), its synonyms are (S)-(-)-O-Acetyllactoyl chloride ; (S)-(-)-2-Acetoxypropionyl chloride ; (S)-2-Acetoxypropionyl chloride ; S-Acetoxypropionyl chloride ; O-Acetyl-l-lactyl chloride ; 2-Acetoxy propionyl chloride;L-(-)-2-Acetoxypropionyl chloride .